Research on influencing factors of signal-to-noise ratio of microchannel plate

Tiezhu Bo; Jing Ma; Chang Liu; Jiao Lian; Hua Cai; Shuaiqi Li

doi:10.1117/12.2664637

4 April 2023 Research on influencing factors of signal-to-noise ratio of microchannel plate

Tiezhu Bo, Jing Ma, Chang Liu, Jiao Lian, Hua Cai, Shuaiqi Li

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 1261720 (2023) https://doi.org/10.1117/12.2664637
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

Microchannel Plate (MCP) is a two-dimensional ultrathin device composed of thousands of channels, which is used to realize electron multiplication. It can be used in low light level night vision image intensifier, high-energy particle detection device, extremely weak signal ultraviolet alarm and other devices, and is the core component to provide signal amplification. Therefore, the electro-optical performance of the microchannel plate needs to be strictly controlled to meet the normal operation of large equipment and devices. Among them, the signal-to-noise ratio (snr) of the MCP is an important indicator to measure the strength of the device signal. This paper will study and analyze the influencing factors of the signal-to-noise ratio from the material composition, physical and chemical processing technology, and other aspects. It is found that the glass component of the MCP and the roughness of the inner wall of the MCP channel after the management process will affect the noise intensity and interfere with the reception of the signal to be measured. By further quantifying the influencing factors, we can accurately explore the change trend of snr. The research results are expected to provide sufficient reference value for the subsequent improvement of the signal-to-noise ratio of the MCP.

Citation Download Citation

Tiezhu Bo, Jing Ma, Chang Liu, Jiao Lian, Hua Cai, and Shuaiqi Li "Research on influencing factors of signal-to-noise ratio of microchannel plate", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 1261720 (4 April 2023); https://doi.org/10.1117/12.2664637

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KEYWORDS

Microchannel plates

Signal to noise ratio

Corrosion

Signal processing

Glasses

Chemical elements

Signal detection

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